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Resurgence of Syphilis Among

Syphilis is a sexually-transmitted infection that, if untreated, can have severe health consequences. In addition, the sores caused by syphilis can promote the spread of HIV infection among sex partners. This issue of CHART focuses on the resurgence of syphilis in Philadelphia.

Syphilis Case Counts Have Been Rising in Philadelphia Since 2005

Infectious syphilis includes cases diagnosed with primary, secondary, or early latent (evidence of acquisition within last 1 year) stage of disease.  Syphilis diagnoses have been steadily increasing since 2005, with a sharp rise noted in 2016.  Between 2005 and 2016, infectious syphilis diagnoses more than quadrupled, from 208 to 925